Update CHANGELOG for version 1.3

Author: ninjaprox

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Change log
 
+## [v1.3](https://github.com/ninjaprox/NVActivityIndicatorView/releases/tag/v1.3)
+* More convenient constructor
+* Hide when stopped option
+
 ## [v1.2](https://github.com/ninjaprox/NVActivityIndicatorView/releases/tag/v1.2)
 * Fix issue when using as framework
 * Set default animation type to pacman
@@ -13,4 +17,4 @@
 ## [v1.0](https://github.com/ninjaprox/NVActivityIndicatorView/releases/tag/v1.0)
 
 * Initial release
-* Full implementations of 28 loaders from loaders.css
+* Full implementations of 28 loaders from loaders.css